215349068 has 12 divisors (see below), whose sum is σ = 411121032. Its totient is φ = 97885920.

The previous prime is 215349053. The next prime is 215349083. The reversal of 215349068 is 860943512.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (215349053) and next prime (215349083).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2447105 + ... + 2447192.

It is an arithmetic number, because the mean of its divisors is an integer number (34260086).

Almost surely, 2^215349068 is an apocalyptic number.

It is an amenable number.

215349068 is a deficient number, since it is larger than the sum of its proper divisors (195771964).

215349068 is a wasteful number, since it uses less digits than its factorization.

215349068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4894312 (or 4894310 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 215349068 is about 14674.7765911444. The cubic root of 215349068 is about 599.3966787276.

The spelling of 215349068 in words is "two hundred fifteen million, three hundred forty-nine thousand, sixty-eight".